head to our website, abc2news.com/facebook. join in on the conversation. parents, doctors, coaches, we're all looking for ways to cope our kids safe from concussions. >> lynn disa so tells -- linda so tells us about a concussion tool kid. a fake grenade launcher, but the consequences were real. plus, does your household cleaner really live up to the hype? we're testing 18 of your favorite cleaners. stay with us. we'll be right back. anncr: their dishonest ads are everywhere.